
Improved weather conditions and calm seas spurred their efforts, but underwater visibility was still very poor, requiring divers to grope their way blindly though the corridors and cabins of the ferry that capsized and sank last Wednesday.
Nearly one week into the rescue and recovery effort of one of South Korea's worst peacetime disasters, close to 200 of the 476 people who were aboard the 6,825-tonne Sewol -- most of them schoolchildren -- are still unaccounted for.
The official toll provided by the coastguard Tuesday morning stood at 104, with 198 still missing.